20037807

素因数分解:

$3^3\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{787}}^1$

素因数の和:860

約数の個数: 32

約数和(自身を含む): 31772160

約数和(自身を除く): 11734353

約数列:

[1, 3, 9, 23, 27, 41, 69, 123, 207, 369, 621, 787, 943, 1107, 2361, 2829, 7083, 8487, 18101, 21249, 25461, 32267, 54303, 96801, 162909, 290403, 488727, 742141, 871209, 2226423, 6679269, 20037807]

約数ペア:

[(1, 20037807), (3, 6679269), (9, 2226423), (23, 871209), (27, 742141), (41, 488727), (69, 290403), (123, 162909), (207, 96801), (369, 54303), (621, 32267), (787, 25461), (943, 21249), (1107, 18101), (2361, 8487), (2829, 7083)]